HEF4517BU Ver la hoja de datos (PDF) - Philips Electronics
Número de pieza
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Lista de partido
HEF4517BU Datasheet PDF : 8 Pages
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FUNCTION TABLE
INPUTS
CP
D
data entered
into 1st bit
data entered
into 1st bit
X
X
PE/EO
L
H
L
H
O16
content of
16th bit
displayed
data at
O16 entered
into 17th bit
no change
Z
INPUTS/OUTPUTS
O32
content of
32nd bit
displayed
O48
content of
48th bit
displayed
data at
O32 entered into
33rd bit
data at
O48 entered
into 49th bit
no change
Z
no change
Z
O64
content of
64th bit
displayed
remains in
‘Z’ state
no change
Z
MODE
One 64-bit shift
register. The content of the
shift register is
shifted over one stage
Four 16-bit shift
register. The content of
the shift registers is
shifted over one stage.
no change
no change
Notes
1. H = HIGH state (the more positive voltage)
L = LOW state (the less positive voltage)
X = state is immaterial
Z = high impedance state
= positive-going transition
= negative-going transition
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